Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.58143E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:32:04+0800
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    1 Object 1

    AOE ID 49398
    NORAD ID 49398
    Object Type UNKNOWN
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 53059
    NORAD ID 53059
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT D STARLINK-4320
    Time of Closest Approach 2026-09-05T03:29:57+0000
    Collision Probability (Pc) 9.58143E-6
    Conjunction Distance (km) 1.332 km
    Relative Speed (km/s) 13.906 km/s
    Conjunction Risk Parameters R (Radial): 1.328 | I (In-track): -0.037 | C (Cross-track): 0.102
    Collision Risk Index (CRI) 0.55
    X Position (km) 140.562 140.481
    Position Y (km) 2126.398 2126.81
    Position Z (km) -6511.307 -6512.57
    Velocity X (km/s) 2.678 3.535
    Velocity Y (km/s) -6.799 6.39
    Velocity Z (km/s) -2.16 2.163

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT D STARLINK-4320
    Semimajor Axis (a) 6847.912 km 6845.609 km
    Eccentricity (e) 0.000669 0.000068
    Inclination (i) 97.3136° 97.2843°
    RAAN 287.2790° 62.0037°
    Perigee Argument 290.2211° 127.3037°
    Mean Anomaly (M) 69.8312° 220.7211°
    Apogee 474.353 km 467.939 km
    Perigee 465.197 km 467.005 km
    Orbit Epoch 2026-09-03T01:48:08+0000 2026-09-03T22:00:02+0000

    OBJECT D & STARLINK-4320 Collision Probability (Pc) Trend

    OBJECT D & STARLINK-4320 Collision Probability (Pc) TrendNot Available

    OBJECT D & STARLINK-4320 Miss Distance (Miss Distance) Trend

    OBJECT D & STARLINK-4320 Miss Distance (Miss Distance) TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4320Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4320Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT D

    No nearby objects data